The
basement rock of the studied area have represented by Paleozoic aged core rocks
which com- posed of flaser gneiss, migmatitic gneiss which covered by
surrounding Upper Paleozoic-Lower Mesozoic aged cover rocks which are composed
of schist, marble crystallized limestone belong to Northern margin of the
Menderes Massive. The rocks of the Menderes massive are overlain tectonically
by Daðardý Ophiolithic Melange which is composed of serpentinized mafic and
ultramafic rocks, limestone olistoliths and blocks. All these rocks units are
covered by Miocene to Pliocene aged lacustrine sediments interlayer volcanic
levels. Geological remote sensing, detail geology, hydrothermal alteration,
aerial photo studies, hydrogeology (hydrochemistry and isotope hydrology),
geophysical (magnetotelluric and resistivity); drilling, well logging studies
have been carried out in the study area from 2003 to 2006. Gediz geothermal
area is one of the medium enthalpy geothermal areas in the Western Anatolia.
The hot spring temperature is 70-76 °C in the area. The main aims of this study
by means of getting data from Gediz-Abide field and collected other region to
simulate each other to detect whether or not presence of promising area as
buried geothermal system around there. At the and geology, hydro geochemistry
and isotopic studies it has been found out a promising area which is covered
under thick sediments near Şaphane-Üçbaş area at 5km northern part of the
Gediz-Abide field. There is no manifestation in around the Shaphane-Üçbaş
buried geothermal area at the surface. Geophysical (Magnetotelluric and
resistivity) studies have shown two anomalies at Gediz-Abide and promising
area. These anomalies have evidently low resistivity under the thick cover
rocks and supported by geological hydrogeolgical and tectonical mapping. These
two anom- alies have been found also through the west along two profiles.
Geothermal well (KŞÜ-1), have been drilled at 1330 m depth in 2006 at Şaphane-Üçbaş
promising area. Geothermal fluid which have 40 l/s, flow rate and 90 °C were
produced from the well using compressor test. 105.5 °C temperature has been
measured end of 56 hours waiting after circulation at the bottom of the well.
and 109 °C static temperature have been measured. KŞÜ-1 drilling thermal water
is Na-SO4-HCO3 type and similar chemical composition to Gediz-Abide drilling
hot waters. It can be suitable district heating (equivalent 1150 dwellings),
heating green houses and thermal bath facilities.
Şaphane-Üçbaş geothermal field water chemistry hydrological isotope magnetotelluric resistivity geothermal well
Birincil Dil | İngilizce |
---|---|
Konular | Mühendislik |
Bölüm | Makaleler |
Yazarlar | |
Yayımlanma Tarihi | 30 Aralık 2007 |
Yayımlandığı Sayı | Yıl 2007 Cilt: 135 Sayı: 135 |
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